Jane warns us that our group is going to be very tired and dirty by the afternoon and she is right. However, the evening makes it all ______.
A.favorable B.worthwhile C.precious D.essential
Before use, your new mobile must fully____.
A. get charged B. become charged
C. remain charged D. turn charged
—Americans spend more on health care than most other people .
— You’re right . But a new study shows that life in the United States is falling .
A. development B. position C. experience D. expectancy
请仔细观看右边漫画，结合自己的实际生活，写一篇关于“节能环保”的英语短文，字数120个左右。要求：1）简要描述图中的现象；2）分析产生这现象的原因（如：没有良好的习惯等）；3）提出你的建议。
提示：图中在睡觉的是小明，妇女是小明的母亲。
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